Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Rock Hill, Rock Hill - York County Airport (KUZA)

Lat: 34.98°NLon: 81.06°WElev: 669ft.

Fair

93°F

34°C

Humidity 47%
Wind Speed Vrbl 3 mph
Barometer 30.02 in (1015.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 4 Jul 1:54 pm EDT
Extended Forecast for

2 Miles NW Rock Hill SC

Heat Advisory July 4, 02:10pm until July 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 4, 02:10pm until July 4, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Independence Day

    High: 99 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 75. Light south wind.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 98. Heat index values as high as 103. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly sunny and hot, with a high near 96. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 5pm.  Mostly sunny, with a high near 93. Chance of precipitation is 60%.

    High: 93 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Independence Day
Sunny and hot, with a high near 99. Heat index values as high as 103. South wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 75. Light south wind.
Sunday
Sunny and hot, with a high near 98. Heat index values as high as 103. Calm wind becoming south southwest around 5 mph in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 96. Light southwest wind increasing to 5 to 9 mph in the morning.
Monday Night
A 50 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73.
Tuesday
Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 93. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73.
Thursday
Mostly sunny, with a high near 93.
Thursday Night
Partly cloudy, with a low around 74.
Friday
Mostly sunny and hot, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Rock Hill SC
 34.95°N 81.04°W (Elev. 627 ft)
11:33 am EDT Jul 4, 2026
2pm EDT Jul 4, 2026-6pm EDT Jul 10, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database